Solutions by everydaycalculation.com
1st number: 1/15, 2nd number: 1 6/21
115 - 2721 is -128105.
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Related: 2/15-27/21 1/15-54/21 1/30-27/21 1/15-27/42 3/15-27/21 1/15-81/21 1/45-27/21 1/15-27/63 5/15-27/21 1/75-27/21 7/15-27/21
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